20015440900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2199499}}^1$

素因数の和:2199533

約数の個数: 72

約数和(自身を含む): 53456648000

約数和(自身を除く): 33441207100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 2199499, 4398998, 8797996, 10997495, 15396493, 21994990, 28593487, 30792986, 43989980, 54987475, 57186974, 61585972, 76982465, 109974950, 114373948, 142967435, 153964930, 200154409, 219949900, 285934870, 307929860, 384912325, 400308818, 571869740, 714837175, 769824650, 800617636, 1000772045, 1429674350, 1539649300, 2001544090, 2859348700, 4003088180, 5003860225, 10007720450, 20015440900]

約数ペア:

[(1, 20015440900), (2, 10007720450), (4, 5003860225), (5, 4003088180), (7, 2859348700), (10, 2001544090), (13, 1539649300), (14, 1429674350), (20, 1000772045), (25, 800617636), (26, 769824650), (28, 714837175), (35, 571869740), (50, 400308818), (52, 384912325), (65, 307929860), (70, 285934870), (91, 219949900), (100, 200154409), (130, 153964930), (140, 142967435), (175, 114373948), (182, 109974950), (260, 76982465), (325, 61585972), (350, 57186974), (364, 54987475), (455, 43989980), (650, 30792986), (700, 28593487), (910, 21994990), (1300, 15396493), (1820, 10997495), (2275, 8797996), (4550, 4398998), (9100, 2199499)]